Such devices have the potential to save thousands of lives.
But there is a civil liberties issue involved. I wonder if anyone has challenged the legality of such devices.
Toyota developing anti-drunk driving gadget(AFP) TOKYO -- Toyota Motor said Monday it was developing anti-drunk driving equipment that would lock the ignition of a vehicle if high levels of alcohol are detected in the driver.
The system features a hand-held breathalyser, equipped with a digital camera, that detects alcohol consumption and photographs the driver's face for identification, a company statement said.
If the driver tests positive, the system either warns him or her, or locks the vehicle's ignition depending on the level of alcohol detected, Toyota said.
Read more on Toyota's device.

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